76388097 has 4 divisors (see below), whose sum is σ = 101850800. Its totient is φ = 50925396.

The previous prime is 76388069. The next prime is 76388099. The reversal of 76388097 is 79088367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79088367 = 3 ⋅26362789.

It is not a de Polignac number, because 76388097 - 2⁶ = 76388033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76388099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12731347 + ... + 12731352.

It is an arithmetic number, because the mean of its divisors is an integer number (25462700).

Almost surely, 2^76388097 is an apocalyptic number.

It is an amenable number.

76388097 is a deficient number, since it is larger than the sum of its proper divisors (25462703).

76388097 is a wasteful number, since it uses less digits than its factorization.

76388097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25462702.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 76388097 is about 8740.0284324480. The cubic root of 76388097 is about 424.3021479457.

The spelling of 76388097 in words is "seventy-six million, three hundred eighty-eight thousand, ninety-seven".